Keep the cut out and use it to patch the existing opening.
Moving a wall light fixture box.
Next i took one of the new light boxes and traced an outline of where i wanted the new box placed.
Remove the existing light fixture junction box and turn it so that it is accessible from above.
How to move a light fixture step 1.
Install the required length of new wiring to the new location for the light fixture.
Make the opening in the ceiling for the new light fixture.
I then noticed where the wires were coming into the box in my case they came from the ceiling this is good and bad i then took my drywall saw and started sawing very carefully next to the lightbox toward the ceiling to go around the circle i traced.
Shut off the circuit breaker switch for the light you re planning to move.
Secure the feature to the wall or ceiling by driving screws into the ceiling rafters or wall studs.
Remove the internal housing from the ceiling or wall.
Remove the external housing and the light bulb.
How we moved our bathroom vanity lights by moving the junction boxes.